Export classes in a DLL drived from classes exported by Xerces causes linker
errors
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Key: XERCESC-1855
URL: https://issues.apache.org/jira/browse/XERCESC-1855
Project: Xerces-C++
Issue Type: Bug
Components: DOM
Affects Versions: 3.0.1
Environment: Windows XP Visual Studio 2005
Reporter: Andrea Richards
Priority: Blocker
We currently have a DLL which exports a couple of classes derived from Xerces.
These are ContentSpecHandler and DTDElementDecl. When I try to export these
classes from our DLL I get numerous linker errors despite including the both
the lib files (which contain the correct signatures) and setting up the
solutions dependancies. One example is shown below. I believe this to be a bug
as it must be possible to derive a class from Xerces in a another DLL and then
export it to be used by an EXE file, but this appears not to be the case. Do
you have an answer or a working solution that will allow me to continue
integration ? Thanks
Andrea
class LAD_EXPORT CXMLContentSpecNode : public ContentSpecNode
{
public:
CXMLContentSpecNode(MemoryManager* const manager =
XMLPlatformUtils::fgMemoryManager)
: ContentSpecNode(manager), m_iElementId(-1) {};
...
};
Linker error :
XMLInterface.obj : error LNK2001: unresolved external symbol "public: static
class xercesc_3_0::MemoryManager *
xercesc_3_0::XMLPlatformUtils::fgMemoryManager"
(?fgmemorymana...@xmlplatformutils@xercesc_3_0@@2pavmemorymana...@2@A)
Map file entry:
0004:00030c7c
?fgmemorymana...@xmlplatformutils@xercesc_3_0@@2pavmemorymana...@2@A 10552c7c
PlatformUtils.obj
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